Remove 'char' from IDL

ppapi/c/pp_input_event.h

 /* Copyright (c) 2012 The Chromium Authors. All rights reserved.
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 /* From pp_input_event.idl modified Thu Mar 28 10:52:59 2013. */
 
 #ifndef PPAPI_C_PP_INPUT_EVENT_H_
 #define PPAPI_C_PP_INPUT_EVENT_H_
 
@@ skipping 63 matching lines @@
  */
 struct PP_InputEvent_Character {
   /** A combination of the <code>PP_InputEvent_Modifier</code> flags. */
   uint32_t modifier;
   /**
    * This value represents the typed character as a single null-terminated UTF-8
    * character. Any unused bytes will be filled with null bytes. Since the
    * maximum UTF-8 character is 4 bytes, there will always be at least one null
    * at the end so you can treat this as a null-terminated UTF-8 string.
    */
-  char text[5];
+  int8_t text[5];
 };
 PP_COMPILE_ASSERT_STRUCT_SIZE_IN_BYTES(PP_InputEvent_Character, 12);
 
 /**
  * The <code>PP_InputEvent_Mouse</code> struct represents all mouse events
  * except mouse wheel events.
  */
 struct PP_InputEvent_Mouse {
   /**
    * This value is a bit field combination of the
@@ skipping 19 matching lines @@
   /**
    * This values represents the y coordinate of the mouse when the event
    * occurred.
    *
    * In most, but not all, cases these coordinates will just be integers.
    * For example, the plugin element might be arbitrarily scaled or transformed
    * in the DOM, and translating a mouse event into the coordinate space of the
    * plugin will give non-integer values.
    */
   float y;
-  /* TODO(brettw) figure out exactly what this means. */
   int32_t click_count;
 };
 PP_COMPILE_ASSERT_STRUCT_SIZE_IN_BYTES(PP_InputEvent_Mouse, 20);
 
 /**
  * The <code>PP_InputEvent_Wheel</code> struct represents all mouse wheel
  * events.
  */
 struct PP_InputEvent_Wheel {
   /**
@@ skipping 70 matching lines @@
    */
   PP_Bool scroll_by_page;
 };
 PP_COMPILE_ASSERT_STRUCT_SIZE_IN_BYTES(PP_InputEvent_Wheel, 24);
 /**
  * @}
  */
 
 #endif  /* PPAPI_C_PP_INPUT_EVENT_H_ */